- Lithium-ion technology
- 6 cell cylindrical flat battery
- Over-discharge protection to prolong the life of the battery
- Battery energy (Watt-hours): 48Wh, 4400mAh, 72Wh 6100mAh
- Battery Safeguard chip authenticates with Lenovo systems
| Battery Capacity | 48Wh, 72 Wh |
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